Institute Newton C. Braga

Circuit Bench

Smoke detection ionization chamber (CB4887E)
This circuit is from an 80's publication. The basic components indicated are of the time, mainly...
Incandescent Lamp Flasher (CB1393E)
This circuit, for a bulb of 6 V up to 200 mA, was found in an old Argentine publication of the...
7-segment LCD driver (CB7556E)
Found in American documentation from the 90s, this circuit uses TTL technology and is therefore...